Label (programming language)
- Label (programming language)
A label in a programming language is a sequence of characters that identifies a location within source code. In most languages labels take the form of an identifier, often followed by a punctuation character (e.g., a colon). In many high level programming languages the purpose of a label is to act as the destination of a GOTO statement. [ [http://c0x.coding-guidelines.com/6.8.6.1.html C Standard section 6.8.6.1 The goto statement] ] [cite web|url=http://www.qbasicnews.com/qboho/qckgoto.shtml|title=GOTO Statement QuickSCREEN|date=1988|accessdate=2008-07-03|publisher=Microsoft] In assembly language labels can be the destination of a e.g. JMP. [cite web|url=http://www.cs.uaf.edu/2007/fall/cs301/support/x86/index.html|title=nasm x86 Assembly|date=|accessdate=2008-07-03|author=O. Lawlor] Some languages, such as Fortran and BASIC, support numeric labels.[cite web|url=http://support.microsoft.com/kb/73084|title=Differences Between GW-BASIC and QBasic|date=2003-05-12|accessdate=2008-06-28|author=] Labels are also used to identify an entry point into a compiled sequence of statements (e.g., during debugging).]ee also
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